.bacImg{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
@keyframes jelly {

  0%,
  100% {
    transform: scale(1, 1);
  }

  15%{
    transform: scale(0.5, 1);
  }
  33% {
    transform: scale(1.2, 1);
  }
  66% {
    transform: scale(0.9, 1);
  }
}

@keyframes jellySmall {

  0%,
  100% {
    transform: scale(1, 1);
  }

  15%{
    transform: scale(0.7, 0.7);
  }
  33% {
    transform: scale(0.9, 1.1);
  }
  66% {
    transform: scale(1.1, 0.9);
  }
}

@keyframes jelly90 {

  0%,
  100% {
    transform: scale(1, 1) rotate(90deg);
  }

  15%{
    transform: scale(0.7, 0.7) rotate(90deg);
  }
  33% {
    transform: scale(0.8, 1.2) rotate(90deg);
  }
  66% {
    transform: scale(1.1, 0.9) rotate(90deg);
  }
}